Operation panel for working vehicle



FIG. 1 is a rear view of an operation panel for a working vehicle;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a perspective view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a right side view thereof.

The features indicated in the figures in broken lines form no part of the claimed design. 

CLAIM The ornamental design for an operation panel for a working vehicle, as shown and described. 